You are rearranging your bookshelf to make it more interesting and harder to find anything on it. on one of the shelves you plan to put 12 biographies and 5 mysteries. how many ways can you arrange them on the shelf if you don't want any two mystery books next to each other (i. e. they need to be separated by at least one biography, maybe

answer: it is d

step-by-step explanation:

their is no graph showing

step-by-step explanation:

for this case we have by definition, if two lines are perpendicular, then the product of their slopes is -1.

then, given the following line:

so,

we are looking for m_ {2}:

then, the line is given by:

we find "b" replacing the given point:

finally, the equation is:

option c

we can't see all full 4 options, but if this is the full option, than the very left one is correct:

-2/5 * -3 3/4

remake the question, adding a picture of all the question, or write down the full left and right answers.